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Earn +20 ptsQ: What does the open circle mean in inequalities?
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When graphing inequalities when would you hove a closed circle?
When the value represented by the circle is part of the solution set.
When graphing circles how do you know which way to shade the line?
When graphing inequalities you use a circle to indicate a value on a graph. If the value is included in the solution to the inequality you would fill in the circle. If the value that the circle represents is not included in the solution you would leave the circle unshaded.
How do you know whether to use a open circle or a closed circle?
If points on the circumference are excluded from the locus then an open circle, else a closed one.
What does and mean in a compound inequality?
It means that both inequalities must be satisfied.
How do you know whether to use an open circle or a closed circle when graphing an inequality?
If the inequality is > or< then it is an open circle. If it is greater than or equal to or less than or equal to, it is a closed circle.
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